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"Yarmor" F Pine Oil, still the ideal flotation frother for sulphide and non-sulphide minerals

  • 1949

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  • Courtesy of Science History Institute

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  • Series II: Advertising
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  • Volume 1949

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Hercules Incorporated. “‘Yarmor’ F Pine Oil, Still the Ideal Flotation Frother for Sulphide and Non-Sulphide Minerals.” 1949 Hercules Advertisements, 1949. Records of Hercules Incorporated, Volume 1949. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/f7623d25p.

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